Several medical studies have proved that tanning is beneficial to the human body. The major benefit is the strengthening of the bones. That is, the absorbed ultraviolet radiation activates substances in the skin the much needed vitamin D, and vitamin D is important in making the bones tough.
There is, however, another documented benefit of tanning. Tanning helps the skin protect itself from further exposure to ultraviolet radiation. This was reported in the September 1999 …